input{
    display: block;
    width: 80px;
    height: 40px;
    background-color: greenyellow;
    color: black;
    border: 2px solid rgb(128, 0, 79);
    font-size: 24px;
    font-family: '微软雅黑';
    line-height: 30px;
    border-radius: 5px;
}

#btn1{
    color: blue;
}

.shapeClass{
    display: block;
    width: 80px;
    height: 40px;
    border-radius: 5px;
}

.colorClass{
    background-color: greenyellow;
    border: 2px solid rgb(128, 0, 79);
    color: white;
}

.fontClass{
    font-size: 24px;
    font-family: '微软雅黑';
    line-height: 30px;
}